245531206 has 32 divisors (see below), whose sum is σ = 386358336. Its totient is φ = 116928000.

The previous prime is 245531203. The next prime is 245531207. The reversal of 245531206 is 602135542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245531203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1053666 + ... + 1053898.

It is an arithmetic number, because the mean of its divisors is an integer number (12073698).

Almost surely, 2^245531206 is an apocalyptic number.

245531206 is a deficient number, since it is larger than the sum of its proper divisors (140827130).

245531206 is a wasteful number, since it uses less digits than its factorization.

245531206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 245531206 is about 15669.4354078250. The cubic root of 245531206 is about 626.1843832803.

Adding to 245531206 its reverse (602135542), we get a palindrome (847666748).

The spelling of 245531206 in words is "two hundred forty-five million, five hundred thirty-one thousand, two hundred six".